Bigge, M. L. (1971). Positive relativism: An emergent educational philosophy. Harper & Row.
Dyfyniad Arddull ChicagoBigge, Morris L. Positive Relativism: An Emergent Educational Philosophy. New York: Harper & Row, 1971.
Dyfyniad MLABigge, Morris L. Positive Relativism: An Emergent Educational Philosophy. Harper & Row, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.